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Famvir Adverse Events Reported to the FDA Over Time

How are Famvir adverse event reports trending over time?

This graph shows volume of adverse events submitted to the FDA by quarter for Famvir, as well as related generic and/or brandname drugs containing the same primary active ingredients. Adverse events are counted if Famvir is flagged as the suspect drug causing the adverse event.

Most Common Famvir Adverse Events Reported to the FDA

What are the most common Famvir adverse events reported to the FDA?

Dizziness
49 (2.54%)
Nausea
46 (2.39%)
Malaise
41 (2.13%)
Loss Of Consciousness
31 (1.61%)
Rash
31 (1.61%)
Rhabdomyolysis
29 (1.51%)
Headache
27 (1.4%)
Pyrexia
27 (1.4%)
Decreased Appetite
26 (1.35%)
Vomiting
26 (1.35%)
Syncope
23 (1.19%)
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Asthenia
21 (1.09%)
Oedema Peripheral
21 (1.09%)
Blood Pressure Decreased
19 (.99%)
Diarrhoea
19 (.99%)
Disorientation
18 (.93%)
Altered State Of Consciousness
16 (.83%)
Aspartate Aminotransferase Increase...
16 (.83%)
Dyspnoea
16 (.83%)
Renal Failure Acute
16 (.83%)
Alanine Aminotransferase Increased
15 (.78%)
Confusional State
15 (.78%)
Convulsion
14 (.73%)
Drug Interaction
14 (.73%)
Myalgia
14 (.73%)
Pain
14 (.73%)
White Blood Cell Count Decreased
14 (.73%)
Drug Ineffective
13 (.67%)
Encephalopathy
13 (.67%)
Coagulopathy
12 (.62%)
Fall
12 (.62%)
Gait Disturbance
12 (.62%)
Herpes Zoster
12 (.62%)
Platelet Count Decreased
12 (.62%)
Abnormal Behaviour
11 (.57%)
Blood Alkaline Phosphatase Increase...
11 (.57%)
Condition Aggravated
11 (.57%)
Feeling Abnormal
11 (.57%)
Gamma-glutamyltransferase Increased
11 (.57%)
Hallucination
11 (.57%)
Hepatocellular Injury
11 (.57%)
Muscular Weakness
11 (.57%)
Palpitations
11 (.57%)
Serotonin Syndrome
11 (.57%)
Urine Output Decreased
11 (.57%)
Abasia
10 (.52%)
Urticaria
10 (.52%)
Abdominal Pain Upper
9 (.47%)
Blood Creatine Phosphokinase Increa...
9 (.47%)
Blood Pressure Diastolic Decreased
9 (.47%)
Burning Sensation
9 (.47%)
Chest Pain
9 (.47%)
Cytarabine Syndrome
9 (.47%)
Haemoglobin Decreased
9 (.47%)
Myoclonus
9 (.47%)
Nervous System Disorder
9 (.47%)
Red Blood Cell Count Decreased
9 (.47%)
Blood Creatinine Increased
8 (.42%)
Blood Urea Increased
8 (.42%)
Delirium
8 (.42%)
Depressed Level Of Consciousness
8 (.42%)
Drug Exposure During Pregnancy
8 (.42%)
Dysstasia
8 (.42%)
Erythema
8 (.42%)
Heart Rate Increased
8 (.42%)
Hyperhidrosis
8 (.42%)
Hypoaesthesia
8 (.42%)
Insomnia
8 (.42%)
Tremor
8 (.42%)
Amnesia
7 (.36%)
Blister
7 (.36%)
Blood Pressure Systolic Increased
7 (.36%)
Chest Discomfort
7 (.36%)
Depression
7 (.36%)
Dyspnoea Exertional
7 (.36%)
Hepatic Function Abnormal
7 (.36%)
Muscle Spasms
7 (.36%)
Somnolence
7 (.36%)
Speech Disorder
7 (.36%)
White Blood Cell Count Increased
7 (.36%)
Abdominal Pain
6 (.31%)
Anaemia
6 (.31%)
Back Pain
6 (.31%)
Cerebral Infarction
6 (.31%)
Chills
6 (.31%)
Dysphagia
6 (.31%)
Fatigue
6 (.31%)
Head Injury
6 (.31%)
Hepatitis
6 (.31%)
Pruritus
6 (.31%)
Reflexes Abnormal
6 (.31%)
Subarachnoid Haemorrhage
6 (.31%)
Agitation
5 (.26%)
Anorexia
5 (.26%)
Aphasia
5 (.26%)
Arthritis
5 (.26%)
Candidiasis
5 (.26%)
Drug Administration Error
5 (.26%)
Drug Level Increased
5 (.26%)
Erythema Multiforme
5 (.26%)
Febrile Neutropenia
5 (.26%)

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This graph shows the top adverse events submitted to the FDA for Famvir, as well as related generic and/or brandname drugs containing the same primary active ingredients, from Q1 2004 to Q3 2012. Adverse events are counted if Famvir is flagged as a suspect drug causing the adverse event. For each adverse event listed, percent (%) represents percentage of the adverse event to all adverse events reported for the drug. Percent does not represent a rate related to drug utilization.

Adverse Event Categories for Famvir

What are the most common Famvir adverse events reported to the FDA?

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This graph shows the top categories of adverse events submitted to the FDA for Famvir, as well as related generic and/or brandname drugs containing the same primary active ingredients, from Q1 2004 to Q3 2012. Adverse events are counted if Famvir is flagged as a suspect drug causing the adverse event. For each adverse event listed, percent (%) represents percentage of the adverse event to all adverse events reported for the drug. Percent does not represent a rate related to drug utilization.

Common Uses of Famvir According to Those Reporting Adverse Events

Why are people taking Famvir, according to those reporting adverse events to the FDA?

Herpes Zoster
263
Herpes Simplex
75
Herpes Virus Infection
27
Prophylaxis
26
Drug Use For Unknown Indication
20
Oral Herpes
18
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Acne
18
Mouth Ulceration
16
Infection Prophylaxis
15
Genital Herpes
14
Antiviral Prophylaxis
12
Pyrexia
9
Anogenital Warts
7
Product Used For Unknown Indication
7
Herpes Zoster Disseminated
4
Anti-infective Therapy
4
Herpes Zoster Ophthalmic
4
Viral Infection
4
Hepatitis Infectious Mononucleosis
3
Cytomegalovirus Infection
3
Varicella
3
Infection
3
Drug Exposure During Pregnancy
2
Stomatitis
2
Keratitis Herpetic
2
Viith Nerve Paralysis
1
Hepatitis
1
Medication Error
1
Neuralgia
1
Pharyngitis
1

Drug Labels

LabelLabelerEffective
FamvirNovartis Pharmaceuticals Corporation17-FEB-12
FamvirNovartis Pharmaceuticals Corporation29-APR-13

Famvir Case Reports

What Famvir safety concerns are being reported by doctors and researchers in the medical literature?

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About Results

This report contains aggregated drug side effects and adverse events for Famvir. The data has been pulled from the United States Food and Drug Administration's (US FDA) Adverse Event Reporting System (AERS), a database containing more than 4,000,000 adverse event reports.

DrugCite expands your query using the Unified Medical Language System (UMLS) to include generic drugs and primary active ingredients. While the core of DrugCite's advanced drug filtering algorithm is based on the industry standard UMLS, DrugCite's proprietary filtering system also includes dozens of additional steps to reconcile malformed drug names in the FDA's data.

DrugCite only counts a drug if the submitter of the adverse event indicates that the drug is suspected to have caused the adverse event.

Depending on how the data is aggregated, different counts may occur. When someone submits an adverse event to the FDA, the submitter can attribute multiple adverse events to one or more drugs. For example, an individual taking Paxil could submit the adverse events "anxiety" and "suicidal ideation" for the same individual safety report (ISR). This means when DrugCite aggregates by adverse event, two distinct adverse events are counted in the adverse event graph; once for "anxiety" and again for "suicidal ideation". However, when DrugCite aggregates by individual safety reports irrespective of the details of the adverse events contained within the safety report, the report is only counted once.

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